EP2865897B1 - Dispositif pour un turbochargeur - Google Patents

Dispositif pour un turbochargeur Download PDF

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Publication number
EP2865897B1
EP2865897B1 EP14182185.0A EP14182185A EP2865897B1 EP 2865897 B1 EP2865897 B1 EP 2865897B1 EP 14182185 A EP14182185 A EP 14182185A EP 2865897 B1 EP2865897 B1 EP 2865897B1
Authority
EP
European Patent Office
Prior art keywords
flange
compressor housing
housing
air inlet
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14182185.0A
Other languages
German (de)
English (en)
Other versions
EP2865897A3 (fr
EP2865897A2 (fr
Inventor
Bernd Albiez
Hans Tröndle
Matthias Jarusel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Accelleron Industries AG
Original Assignee
ABB Turbo Systems AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Turbo Systems AG filed Critical ABB Turbo Systems AG
Publication of EP2865897A2 publication Critical patent/EP2865897A2/fr
Publication of EP2865897A3 publication Critical patent/EP2865897A3/fr
Application granted granted Critical
Publication of EP2865897B1 publication Critical patent/EP2865897B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/243—Flange connections; Bolting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
    • F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/31—Retaining bolts or nuts

Definitions

  • the present invention relates to the field of turbochargers. It relates to a device for a turbocharger, the device comprising an air inlet housing, an inner compressor housing and an outer compressor housing.
  • Turbochargers which are also referred to as exhaust gas turbochargers, generally comprise a compressor and an exhaust gas turbine, which are mechanically connected to each other via a common shaft. Exhaust gases of a piston engine are supplied to the exhaust gas turbine. Since these exhaust gases are expanded incompletely, a part of the remaining energy of the exhaust gas is converted into rotational energy of the exhaust gas turbine. The rotational energy of the exhaust gas turbine is transmitted via the shaft to the compressor, which compresses the fresh air supplied to the piston engine.
  • the piston engine can be charged with significantly more fresh air, which leads to an increase in the power density of the piston engine.
  • air inlet housing which air inlet housing may be, for example, a filter muffler or an air intake in a compressor housing.
  • the compressor housing encloses a compressor wheel. Rotation of the compressor wheel converts rotational energy of the compressor wheel into compression energy of the fresh air and thus compresses the fresh air.
  • the compressor housing is often divided into a flow-leading inner compressor housing and into a final outer compressor housing.
  • Fig. 1 shows a schematic representation of an apparatus for a turbocharger of the prior art together with a compressor wheel.
  • the compressor 5 is enclosed by an inner compressor housing 2 and an outer compressor housing 3. Fresh air is sucked through a filter muffler 1 and fed through a flow channel, which flow channel is formed by an inner compressor housing 2, the compressor wheel 5.
  • the outer compressor housing 3 is connected to a bearing housing, not shown, of the turbocharger and positioned in space.
  • the outer compressor housing 3, the inner compressor housing 2 and the air inlet housing 1 are connected to each other via a flange connection.
  • a flange 11 of the air inlet housing 1 a flange 21 of the inner compressor housing 2 and a flange 31 of the outer compressor housing 3 by means of screw 4 are pressed together.
  • the flange 21 of the inner compressor housing 2 between the flange 11 of the air inlet housing 1 and the flange 31 of the outer compressor housing 3 is arranged.
  • screw connections which screw connections comprise a stud screwed into the outer compressor housing, wherein the flange of the inner compressor housing and the flange of the air inlet housing are fastened by means of nuts on the stud bolts.
  • This solution has the disadvantage that the accessibility is still unsatisfactory and a tightening or loosening of the screw connections when mounting or dismounting the air inlet housing takes a long time.
  • a device for a turbocharger with the features of
  • the preamble of claim 1 is in the document WO 02/090722 A1 disclosed.
  • Object of the present invention is to provide a device for a turbocharger, which has improved accessibility and allows faster mounting or dismounting of the air inlet housing.
  • the object of the invention is that the device comprises a flange connection with two different types of screw connections.
  • the first type of screw connections are short connections. These short connections connect the inner compressor housing to the outer compressor housing without establishing a connection to the air inlet housing.
  • the second type of screw connections are long links. These long links connect the air inlet housing, the inner compressor housing and the outer compressor housing together. This allows a quick release of the air inlet housing and improved accessibility.
  • a first preferred embodiment comprises at least one recess in a flange of the air inlet housing.
  • This recess is designed such that a short connection arranged in the recess, which is assembled and has its connecting effect, does not have an undercut with the air inlet housing in the axial direction Direction of short connections forms.
  • the short-circuit does not produce positive locking in the axial direction of the short connections to the air inlet housing, for example when the diameter of the recess is greater than the diameter of the screw of the short connection.
  • a further advantageous embodiment relates to a device in which device at least 45 percent of the screw connections are short connections. This allows, in the event of a collision of parts inside a turbocharger and a consequent displacement of the inner compressor housing, that the air inlet housing is securely fixed by the flange connection and is not sheared off.
  • a further advantageous embodiment relates to a device, which device has a short connection with a sleeve.
  • the length of the sleeve is designed so that a nut of the short connection in the radial direction of the short connection is accessible, for example with an open-end wrench.
  • the nut of the short connector is axially positioned at the same location by the sleeve as the nut of a long link. This allows for easier installation of the device.
  • a further advantageous embodiment relates to a device which device has ribs between the air inlet housing and the flange of the air inlet housing in the region of a short connection. This allows improved accessibility of the screw connections, since the short connection can be tightened before the positioning of the air inlet housing and so do not interfere with the ribs when donning.
  • a further advantageous embodiment relates to a device in which device all screw connections are arranged in recesses and the long connections comprise washers.
  • the washers make a positive connection between the long links and the air inlet housing ago.
  • all Recesses identical. This allows a simplified manufacture of the device and reduces the risk of assembly errors.
  • Fig. 2 shows a schematic representation of an inventive device for a turbocharger with a mounted air inlet housing, the device comprises a filter muffler 1, an inner compressor housing 2, an outer compressor housing 3 and a flange connection with screw connections.
  • the outer compressor housing 3 has threaded holes in a flange 31 of the outer compressor housing 3, in which threaded holes stud bolts 41 are screwed.
  • a flange 21 of the inner compressor housing 2 and a flange 11 of the filter muffler 1 have holes, which holes are arranged coaxially with the stud bolts 41 and are used for the screw connections. Only every second screw connection is a long connection 45, which longitudinal connection 45 connects the filter silencer 1, the inner compressor housing 2 and the outer compressor housing 3 with each other. The remaining screw connections are short connections 46, which make short connections 46 a connection between the inner gas inlet the inner compressor housing 2 and the outer compressor housing 3 without including the filter muffler 1 in the compound.
  • the holes in the flange 11 of the filter muffler 1 have cylindrical recesses such that the diameter of the recesses is greater than the maximum diameter of the nuts 43 used for the screw connections.
  • the short connections 46 are between the nuts 43 and the flange 21 of the internal compressor housing 2 each arranged a sleeve 42.
  • the sleeve 42 has a smaller diameter than the holes in the flange 11 of the filter muffler 1.
  • the nuts 43 of the short connections 46 bring the force for pressing the flange 21 of the inner compressor housing 22 and the flange 31 of the outer compressor housing 3 without directly the flange 21 of the inner gas inlet of the inner compressor housing 2 to be arranged.
  • the compressive force exerted by the nuts 43 of the short connections 46 on the sleeves 42 is transmitted through the sleeves 42 on the flange 21 of the inner compressor housing 2.
  • the length of the sleeve is chosen so that the nut 43 of the short connections 46 are arranged outside the bores in the flange 11 of the filter muffler 1 in the clamped state and, so grant accessibility in the radial direction of the screw connections.
  • the sleeve is approximately as long as the thickness of the flange 11 of the filter muffler 1 or longer than the thickness of the flange 11, taking into account the available space in the axial direction of the screw connections.
  • a washer 44 is arranged in the long connections.
  • the washers 44 have a larger maximum diameter than the holes of the flange 11 of the filter muffler 1 so that the nut 43 opposite side of the washer 44 rests on a shoulder of the flange 11 of the filter muffler 1 and so the filter muffler with the inner compressor housing. 2 and the outer compressor housing 3 connects.
  • FIG. 3 shows a schematic representation of a perspective view with a disassembled air inlet housing.
  • the stud bolts 41 are arranged in a circle on the flange 31 of the outer compressor housing 3.
  • the inner compressor housing 2 has bores in the flange 21 of the inner compressor housing 2 and is attached to the outer compressor housing 3 with the aid of the stud bolts 41 and the bores.
  • Each second stud bolt 41 is provided with a sleeve 42 and a nut 43 so that these short connections 46 establish a connection between the outer compressor housing 3 and the inner compressor housing 2.
  • the filter muffler not shown in this figure is thereafter slipped. Washers 44 are then placed on the studs 41 of the long links 45 which rest on the shoulder of the flange of the filter silencer and are tightened by means of nuts.
  • the washers it is also possible to use other form-fitting elements instead of the washers or to dimension the bores for the elongate connections such that the diameter of the bores in the region of the nuts is smaller than the maximum diameter of the nuts such that a side facing the flange of the filter silencer the nuts rests on a shoulder of the flange of the filter silencer and thus produces a positive connection with the flange of the filter silencer. It is possible to omit the sleeve and the nut of the short connections write directly onto the flange of the inner compressor housing. The ratio between short connections and long connections need not be 1 to 1 and can be varied according to the requirements of the mechanical stresses. The spatial distribution of stud bolts on the flange of the outer compressor housing can be made variable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (9)

  1. Dispositif pour un turbocompresseur, comprenant
    un boîtier d'entrée d'air (1),
    lequel boîtier d'entrée d'air (1) présente une bride (11),
    un boîtier de compresseur interne (2),
    lequel boîtier de compresseur interne présente une bride (21), et
    un boîtier de compresseur externe (3),
    lequel boîtier de compresseur externe présente une bride (31),
    le boîtier d'entrée d'air (1), le boîtier de compresseur interne (2) et le boîtier de compresseur externe (3) étant connectés mécaniquement les uns aux autres par le biais d'une liaison bridée,
    laquelle liaison bridée relie la bride (11) du boîtier d'entrée d'air (1), la bride (21) du boîtier de compresseur interne (2) et la bride (31) du boîtier de compresseur externe (3) au moyen de connexions vissées (4),
    la bride (21) du boîtier de compresseur interne (2) étant disposée entre la bride (11) du boîtier d'entrée d'air (1) et la bride (31) du boîtier de compresseur externe (3),
    caractérisé en ce que
    les liaisons vissées (4) comprennent un premier type de liaisons vissées courtes (46), lesquelles liaisons courtes (46) relient l'un à l'autre seulement le boîtier de compresseur interne (2) et le boîtier de compresseur externe (3) parmi le boîtier d'entrée d'air (1), le boîtier de compresseur interne (2) et le boîtier de compresseur externe (3), et
    les liaisons vissées (4) comprennent un deuxième type de liaisons vissées longues (45), lesquelles liaisons longues (45) relient les uns aux autres le boîtier d'entrée d'air (1), le boîtier de compresseur interne (2) et le boîtier de compresseur externe (3).
  2. Dispositif selon la revendication 1, dans lequel la bride (11) du boîtier d'entrée d'air (1) présente un évidement dans la région d'au moins une liaison courte (46), lequel évidement présente un diamètre qui est supérieur à un diamètre de la liaison courte, dans la région de laquelle est disposé l'évidement, de telle sorte que le boîtier d'entrée d'air (1) puisse être enfoncé par le biais de l'évidement par-dessus la liaison courte (46) dans l'état connecté.
  3. Dispositif selon l'une quelconque des revendications 1 à 2, dans lequel au moins 45 % des liaisons vissées (4) sont des liaisons courtes (46).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, dans lequel la liaison courte (46) présente un écrou (43) et une douille (42), laquelle douille (42) est disposée entre une surface de pressage de la bride (21) du boîtier de compresseur interne (2) et de la bride (31) du boîtier de compresseur externe (3) et l'écrou (43), et a une longueur suffisante pour que l'écrou (43) soit accessible à une clé à fourche correspondant à l'écrou (43) dans la direction radiale de la liaison courte (46).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, dans lequel la bride (11) du boîtier d'entrée d'air (1) présente une nervure, laquelle nervure sert au renforcement mécanique de la bride (11) du boîtier d'entrée d'air (1) et est disposée dans une région de la bride (11) du boîtier d'entrée d'air (1), laquelle région présente l'évidement.
  6. Dispositifs selon les revendications 1 à 5, dans lesquels la bride (11) du boîtier d'entrée d'air (1) présente un autre évidement dans la région d'une liaison longue (45), lequel autre évidement est identique à l'évidement, la liaison longue (45) présentant une rondelle (44), laquelle rondelle (44) est configurée de telle sorte que la liaison longue (45), malgré l'autre évidement, présente un engagement par correspondance de formes dans la direction axiale de la liaison longue (45) avec le boîtier d'entrée d'air (1), le boîtier de compresseur interne (2) et le boîtier de compresseur externe (3) et de telle sorte que la liaison longue (45) relie les uns aux autres le boîtier d'entrée d'air (1), le boîtier de compresseur interne (2) et le boîtier de compresseur externe (3).
  7. Dispositifs selon les revendications 1 à 6, dans lesquels l'une des liaisons vissées (4) présente un boulon fileté (41), lequel boulon fileté (41) est vissé dans la bride (11) du boîtier d'entrée d'air (1) ou dans la bride (31) du boîtier de compresseur externe (3).
  8. Dispositifs selon les revendications 1 à 7, dans lesquels les liaisons vissées (4) sont disposées sur un cercle de vissage.
  9. Turbocompresseur comprenant un dispositif selon l'une quelconque des revendications 1 à 8.
EP14182185.0A 2013-08-26 2014-08-26 Dispositif pour un turbochargeur Active EP2865897B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013109222.5A DE102013109222A1 (de) 2013-08-26 2013-08-26 Vorrichtung für einen Turbolader

Publications (3)

Publication Number Publication Date
EP2865897A2 EP2865897A2 (fr) 2015-04-29
EP2865897A3 EP2865897A3 (fr) 2015-05-27
EP2865897B1 true EP2865897B1 (fr) 2016-04-27

Family

ID=51398520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14182185.0A Active EP2865897B1 (fr) 2013-08-26 2014-08-26 Dispositif pour un turbochargeur

Country Status (5)

Country Link
EP (1) EP2865897B1 (fr)
JP (1) JP5837161B2 (fr)
KR (1) KR20150024281A (fr)
CN (1) CN104421206B (fr)
DE (1) DE102013109222A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11519423B1 (en) 2021-11-11 2022-12-06 Progress Rail Locomotive Inc. Compressor joint
US11614001B1 (en) 2021-11-11 2023-03-28 Progress Rail Locomotive Inc. Turbine containment
US11719129B2 (en) 2021-11-11 2023-08-08 Progress Rail Locomotive Inc. Compressor housing
US11739763B2 (en) 2021-11-11 2023-08-29 Progress Rail Locomotive Inc. Impeller attach mechanism
US11781489B2 (en) 2021-11-11 2023-10-10 Progress Rail Locomotive Inc. Gear train joint
US11879348B2 (en) 2021-11-11 2024-01-23 Progress Rail Locomotive Inc. Bearing carrier

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DE102017120506A1 (de) * 2017-09-06 2019-03-07 Man Diesel & Turbo Se Turbolader
JP2022057340A (ja) * 2020-09-30 2022-04-11 三菱重工マリンマシナリ株式会社 回転機械および回転機械の補修方法

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11519423B1 (en) 2021-11-11 2022-12-06 Progress Rail Locomotive Inc. Compressor joint
US11614001B1 (en) 2021-11-11 2023-03-28 Progress Rail Locomotive Inc. Turbine containment
US11719129B2 (en) 2021-11-11 2023-08-08 Progress Rail Locomotive Inc. Compressor housing
US11739763B2 (en) 2021-11-11 2023-08-29 Progress Rail Locomotive Inc. Impeller attach mechanism
US11781489B2 (en) 2021-11-11 2023-10-10 Progress Rail Locomotive Inc. Gear train joint
US11879348B2 (en) 2021-11-11 2024-01-23 Progress Rail Locomotive Inc. Bearing carrier

Also Published As

Publication number Publication date
CN104421206B (zh) 2017-04-12
EP2865897A3 (fr) 2015-05-27
KR20150024281A (ko) 2015-03-06
CN104421206A (zh) 2015-03-18
JP2015042870A (ja) 2015-03-05
EP2865897A2 (fr) 2015-04-29
JP5837161B2 (ja) 2015-12-24
DE102013109222A1 (de) 2015-02-26

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